Plumb context through for serialization.

Change-Id: I2a49f57aa7576604deeac898a7cceb36ae68d66f
diff --git a/rsScriptC.h b/rsScriptC.h
index 92e1f4f..53a59f8 100644
--- a/rsScriptC.h
+++ b/rsScriptC.h
@@ -54,7 +54,7 @@
                             size_t usrBytes,
                             const RsScriptCall *sc = NULL);
 
-    virtual void serialize(OStream *stream) const {    }
+    virtual void serialize(Context *rsc, OStream *stream) const {    }
     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SCRIPT_C; }
     static Type *createFromStream(Context *rsc, IStream *stream) { return NULL; }